package com.mk.common.util;

import java.util.Scanner;

public class Main {
	public Main() {
		Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            int a = in.nextInt();
            int b = in.nextInt();
            System.out.println(a + b);
        }
	}
	
	public boolean equals() {
		return false;
	}
	
	
}
